#!/bin/sh
#=============================================================================
#
#  Program:   GCC-XML
#  Module:    find_flags
#  Language:  C++
#  Date:      $Date$
#  Version:   $Revision$
#
#  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
#  See Copyright.txt for details.
#
#     This software is distributed WITHOUT ANY WARRANTY; without even 
#     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
#     PURPOSE.  See the above copyright notices for more information.
#
#=============================================================================

# Find the GCC executable name.
if test "x$1" = "x" ; then
  if test "x${CXX}" = "x" ; then
    CXX=gcc
  fi
else 
  CXX="$1"
  shift
  CXXFLAGS="$@"
fi

# Find the macro definition options.
MACROS=`echo "" | ${CXX} -x c++ -E -dM ${CXXFLAGS} - 2>/dev/null |
  sed -n '
/^#define / {s/#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)/-D\1='\''\2'\''/;p;}
' |
  awk '
BEGIN { first=1 }
/./ { if(first) { printf("%s", $0); first=0 } else { printf(" %s", $0) } }
'`

# Find the include path options.
INCLUDES=`
  echo "" | ${CXX} -v -x c++ -E ${CXXFLAGS} - 2>&1 |
  awk '/^[ \t]*-I\/.* \\\\$/ { printf("%s ",$1) }
       END {printf("\n")}' -
`

# The support headers are located where this script is.
SELFPATH=`echo $0 | sed -n '/\//{s/\/find_flags//;p;}'`
if test "x$SELFPATH" = "x" ; then SELFPATH="." ; fi
SELFPATH=`cd "$SELFPATH" ; pwd`

INCLUDES="-iwrapper\"$SELFPATH\" $INCLUDES"

# Format and print out the options.
OPTIONS="$MACROS -D_WCHAR_T $INCLUDES"
echo $OPTIONS
